Correct commentary about arrays in iter_find.md

Author: lebedev

src/fn/closures/closure_examples/iter_find.md

@@ -39,9 +39,9 @@ fn main() {
     let array1 = [1, 2, 3];
     let array2 = [4, 5, 6];
 
-    // `iter()` for arrays yields `&i32`
+    // `iter()` for arrays yields `&&i32`
     println!("Find 2 in array1: {:?}", array1.iter()     .find(|&&x| x == 2));
-    // `into_iter()` for arrays yields `i32`
+    // `into_iter()` for arrays yields `&i32`
     println!("Find 2 in array2: {:?}", array2.into_iter().find(|&x| x == 2));
 }
 ```